Answer:
This means that by itself, the correlation doesn't say if more exercise causes longer sleep.
Explanation:
Jake has found a correlation in between the sleeping hours at night and the number of the time one spends on the exercising. He observe that longer he he spend exercising the more hours he spend in sleeping in night, however there is no scientific evidence that is explained by his psychology instructor that there is no cause and effect mean to this correlation.
Thus, the correct answer is : by itself, the correlation doesn't say if more exercise causes longer sleep.
Answer:
The correct answer is c. partial pressure of carbon dioxide (PCO2) in arterial blood.
Explanation:
Ventilation is a term generally used to designate the movement of air in and out of the lungs, that is, alveolar ventilation is the volume of air that reaches the alveoli in one minute and participates in gas exchange. Carbon dioxide partial pressure (PCO2) consists of analyzing the amount of dissolved carbon dioxide in the blood, just like with pO2. Normal results range from 35mmHg to 45mmHg. If the level is low it may indicate respiratory alkalosis; if the level is high it may indicate respiratory acidosis. It can only be analyzed in arterial blood.
The correct answer is C. Rib.
Explanation
The rack from which lamb chops are taken is a part of the lamb's body located in the upper part of the ribs and that is used for human consumption. This cut is very popular worldwide and includes eight ribs that are cut individually to obtain chops, each chop includes a tender section of meat and a section of bone from the ribs. Additionally, lamb chops can be prepared using different cooking methods. According to this, if Gary wants to prepare appetizing lamb chops for his wife, he must select the cut of the ribs because it is this cut he can use to make lamb chops by cutting each rib or section individually. So, the correct answer is C. Rib.
